JPH04350255A - Folding scaffold unit and assembling/installing method thereof - Google Patents

Abstract

PURPOSE:To safely perform the assembling work and folding work in one touch. CONSTITUTION:A rectangular middle frame 3 containing a pair of upright posts is formed, a right frame 4 with nearly the same shape as the middle frame 3 is provided on one side, and the middle frame 3 and the right frame 4 are connected with horizontal bars 6 to construct a right scaffold section 1. A left frame 5 with nearly the same shape as the middle frame 3 is provided on the other side of the middle frame 3, and the middle frame 3 and the left frame 5 are connected with horizontal bars 9 to construct a left scaffold section 2. The right and left scaffold sections 1, 2 are made foldable with the middle frame 3 pinched by the right frame 4 and the left frame 5 from both the right and left sides.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] This invention is used as temporary scaffolding for construction work, and includes a folding scaffolding unit that can safely perform assembly and folding operations with a single touch, and Regarding assembly and installation methods.

0002

[Prior Art] Various types of folding scaffolds have been devised in the past.
As shown in Japanese Patent No. 243, there is a scaffold in which the entire scaffold is folded into a mountain fold shape.

[0003] The scaffolding disclosed in Japanese Utility Model Application Publication No. 60-51243 has a plurality of columns having a length extending over multiple levels, which are erected at appropriate intervals in the front and rear and left and right directions. Permits relative movement in the vertical direction between a column located at an intermediate portion in the front and rear or left and right directions and other columns located on both sides of the column in the front and rear or left and right directions at multiple locations spaced appropriately apart from each other. A plurality of cloth plates are pivotally connected to each other in a state in which the cloth plates are connected to each other, and the pillars are configured to be able to be fixed in a state in which adjacent intervals between the cloth plates are regulated to regular intervals.

[0004] Then, when using it,
As shown in Figure 3 of Publication No. 43, ropes were hung on the upper ends of the pillars located on both the left and right sides, and the scaffolding, which had been folded into a mountain fold, was assembled by hanging it with a crane, etc., so that the cloth boards were parallel to each other. , was installed at a designated location.

[0005] Also, when removing the
As shown in Figure 4 of Publication No. 3, a rope is hung from the top of the pillar located in the center, lifted by a crane, etc., each of the cloth boards making up the scaffold is folded into a mountain-fold shape, and transported to a designated location. It was.

[0006]

However, according to the scaffolding disclosed in Japanese Utility Model Application Publication No. 60-51243, when ropes are hung on the upper ends of the pillars located on both the left and right sides and lifted up by a crane or the like, the cloth boards immediately become parallel to each other. Because the entire scaffold takes up space in the assembled state, for example, when buildings, utility poles, etc. are adjacent, the scaffold cannot be easily moved.

[0007] Furthermore, when the scaffolding is lifted and moved by a crane or the like, there is a risk that the scaffolding will come into contact with an adjacent building or the like and damage it.

[0008] In addition, when securing a scaffold, a total of six locations at the bottom end of each support column must be placed at specific positions, making the work of securing the scaffold cumbersome and time consuming. was.

On the other hand, during removal, a rope is hung on the upper end of the pillar located in the center and lifted up by a crane, but the pillars located on both the left and right sides may be folded inward forcefully, making the work dangerous. was. In addition, when a rope is hung on the central pillar and lifted up by a crane, the pillars on both the left and right sides are folded inward. In some cases, the lower ends of the pillars that made up the structure were damaged.

[0010] Therefore, this invention was created to solve the above-mentioned problems, and is a foldable scaffold unit that can be used as a temporary scaffold for construction work and can safely perform assembly and folding operations with a single touch. The purpose of the present invention is to provide a method for assembling and installing a folding scaffolding unit.

[0011]

[Means for Solving the Problems] In order to achieve the above-mentioned object, the present invention forms a rectangular inner frame body including a pair of building lots, and has a shape substantially the same as that of the inner frame body on one side thereof. The right scaffolding section is constructed by arranging the right frame bodies in parallel, and connecting the middle frame body and the right frame body by a horizontal member that is swingably attached to the middle frame body in a direction perpendicular to the middle frame body. , a left frame body having substantially the same shape as the middle frame body is arranged side by side on the other side of the middle frame body, and the middle frame body and the left frame body are attached to be swingable in a direction perpendicular to the middle frame body. The left and right scaffolding parts were connected by a horizontal frame member to form a left scaffolding part, and the left and right scaffolding parts were foldable into a valley fold shape in which the right frame body and the left frame body sandwiched the middle frame body from both the left and right sides.

Furthermore, joints are provided at the upper and lower ends of the middle frame and the left and right frames to connect the upper and lower ends of other foldable scaffolding units, thereby making it possible to stack a plurality of scaffolding units.

Furthermore, a rectangular middle frame including a pair of building lots is formed, and a right frame having substantially the same shape as the middle frame is arranged on one side of the middle frame, and the middle frame and the right frame are arranged side by side. The right scaffold is connected to the body by a horizontal member swingably attached to the middle frame in a direction perpendicular to the middle frame. The left frame bodies are arranged side by side, and the middle frame body and the left frame body are connected by a horizontal member swingably attached in a direction perpendicular to the middle frame body to constitute the left scaffolding part, The left and right scaffolding parts form a foldable scaffolding unit in which the right frame body and the left frame body sandwich the middle frame body from both left and right sides and can be folded into a valley shape, and the upper ends of the right frame body and the left frame body are etc., fold the folding scaffolding unit into a valley-fold shape, and then move it in that state. When installing, gradually lower the lifted folding scaffolding unit, and first lower it to the specified position and then move it in that state. The lower end of the frame is fixed at a specific position, and then the suspended scaffolding unit is further lowered to open the right and left frames, and in this state, the right and left frames are opened. By fixing the lower end, the above-mentioned objective was also achieved.

[0014]

[Operation] In this invention, the right frame body and the left frame body are connected to the middle frame body by the horizontal member attached to the middle frame body so as to be swingable in a direction perpendicular to the middle frame body. Then, lift the corner of the left frame body with a crane or the like, and fold the left and right scaffolding parts into a valley-fold shape that sandwiches the middle frame body from both the left and right sides.

On the other hand, when in use, the upper ends of the right frame and the left frame are lifted up by a crane or the like, the foldable scaffolding unit is folded into a valley-fold shape, and moved in this state. During installation, the suspended folding scaffolding unit is gradually lowered to a predetermined position, and the lower end of the middle frame is installed and fixed at a specific position. Then, by further lowering the suspended scaffolding unit, the right frame body and the left frame body are brought into an open state, and in this state, the lower ends of the right frame body and the left frame body are installed and fixed, respectively.

[0016]

Embodiments Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

As shown in FIG. 1, the foldable scaffolding unit of the present invention has a rectangular inner frame 3 including a pair of building lots, and a wall substantially identical to the inner frame 3 on one side thereof. The right frame bodies 4 of the same shape are arranged side by side, and the middle frame body 3 and the right frame body 4 are connected by a horizontal member 6 attached to the middle frame body 3 so as to be swingable in a direction perpendicular to the middle frame body 3. The right scaffolding part 1 and the middle frame body 3 on the other side of the middle frame body 3
A left frame body 5 having substantially the same shape as the left frame body 5 is arranged side by side, and the middle frame body 3 and the left frame body 5 are connected by a horizontal member 9 attached to the middle frame body 3 so as to be swingable in a direction perpendicular to the middle frame body 3. It consists of a left scaffolding part 2 composed of

As shown in FIG. 1, floorboards 14 and 15 made of, for example, reticulated iron plates are installed and fixed at the bottom of the right scaffolding section 1 and the left scaffolding section 2, respectively. Incidentally, the floorboards 14 and 15 may also be installed and fixed on the upper stages of the right scaffolding section 1 and the left scaffolding section 2.

The right frame 4 is connected to the middle frame 3 by a plurality of horizontal members 6, as shown in FIG. One end of the horizontal member 6 is connected to the middle frame 3 via a hinge 7, as shown in FIG.
is swingably connected to. Further, the other end of the horizontal member 6 is swingably connected to the right frame body 4 via a hinge 8, as shown in FIG. Similarly, the left frame body 5 is also connected to the middle frame body 3 by a plurality of horizontal members 9, as shown in FIG. One end of the horizontal member 9 is swingably connected to the middle frame 3 via a hinge 10, as shown in FIG. In addition, the horizontal member 9
The other end is swingably connected to the left frame 5 via a hinge 11, as shown in FIG.

The hinges 7 and 10 that connect the horizontal members 6 and 9 to the middle frame 3 have, for example, a bottom plate and come into contact with the lower surfaces of the ends of the horizontal members 6 and 9. The structure is such that it swings only upwards. Further, the upper surfaces of the other ends of the horizontal members 6 and 9 are provided with, for example, projecting pieces that abut on the right frame 4 and the left frame 5, respectively, so that the horizontal members 6 and 9 swing only downward. It has a structure. In the figure, reference numerals 12 and 13 are reinforcing rods for ensuring the strength of the right scaffolding section 1 and the left scaffolding section 2. Further, reference numeral 16 indicates a telescopic brace attached to ensure the strength of the right scaffolding section 1 and the left scaffolding section 2.

On the other hand, the middle frame 3, right frame 4, and left frame 5 constituting the right scaffolding section 1 and the left scaffolding section 2 are each provided with a joint 17, as shown in FIG. This joint 17 forms, for example, a connecting pin 18 and a fitting cylinder 19, and is used to fit and connect a plurality of folding scaffold units when stacking them, as shown in FIG.

The scaffolding unit shown in the figure has a substantially rectangular shape with relatively long spaces between the middle frame 3 and the right frame 4, and between the middle frame 3 and the left frame 5. The structure is not limited to this, and may have a substantially rectangular shape in which the distance between the pair of building lots forming the middle frame 3, right frame 4, and left frame 5 is long.

[0023] The method of assembling and installing the folding scaffolding unit will be explained below.

FIG. 1 is a perspective view of the frame in use. To fold from this state, right frame body 4 and left frame body 5
Hang the rope on the hanging piece 20 attached to the upper corner of the
Lift it up using crane hook 21, etc. In this way,
When the entire foldable scaffolding unit is lifted up, the right scaffolding section 1 and the left scaffolding section 2 are folded into a valley-fold shape so as to sandwich the middle frame body 3 from both left and right sides, as shown in FIG. It is stored and transported in this state when not in use.

On the other hand, when in use, the hook 21 of the crane
Gradually lower the folding scaffolding unit that has been lifted up by means of, etc., and as shown in FIG. and,
By further lowering the suspended scaffolding unit, the right frame 4 and left frame 5 are opened, and the lower ends of the right frame 4 and left frame 5 are fixed in this state.

[0026]

[Effects of the Invention] The present invention achieves its original purpose by being constructed as described above.

That is, according to claim 1, the right scaffolding section 1 and the left scaffolding section 2 can be folded with one touch. Therefore,
Disassembly and removal work is extremely easy, and when stored, it can be stored compactly and storage space can be reduced. Also,
Since each component is all connected to the right scaffolding part 1 and the left scaffolding part 2, there are advantages such as prevention of loss of component parts and easy storage management.

Furthermore, a rectangular middle frame body 3 including a pair of building sites is formed, and a right frame body 4 having substantially the same shape as the middle frame body 3 is arranged side by side on one side of the middle frame body 3, and this middle frame body 3 and a right frame body 4 connected by a horizontal member 6, and a left frame body 5 having substantially the same shape as the middle frame body 3 is arranged side by side on the other side of the middle frame body 3. , a left scaffolding section 2 in which the middle frame body 3 and the left frame body 5 are connected by a horizontal member 9.
As shown in FIG. 1, the right scaffolding part 1 and the left scaffolding part 2
Since a self-supporting scaffolding unit is formed when the scaffolding is open, assembly and installation work during use is extremely easy.

At this time, the middle frame 3, the right frame 4, the left frame 5
The entire structure is supported by a total of six locations at the lower end, allowing the scaffolding unit to be erected stably. Furthermore, since it is a self-supporting scaffolding unit, it can be used in combination with, for example, shoring.

[0030] According to claim 2, the joints 17 connect a plurality of stacked foldable scaffolding units to each other, so that the plurality of units can be integrated as shown in FIG. Therefore, the height of the scaffolding unit can be adjusted freely according to the size of the building.

On the other hand, when using the foldable scaffolding unit of the present invention, according to claim 3, the upper ends of the right frame body 4 and the left frame body 5 are lifted up by a crane or the like, and the foldable scaffolding unit is folded into a valley. When installing, the folding scaffolding unit is gradually lowered, and the lower end of the middle frame 3 is fixed at a specific position while being lowered to a predetermined position. Then, by further lowering the suspended scaffolding unit, the right frame 4 and left frame 5 are opened, and in this state, the lower ends of the right frame 4 and left frame 5 are fixed. Anyone can quickly install and secure a folding scaffolding unit.

That is, when the upper ends of the right frame body 4 and the left frame body 5 are lifted up with a crane or the like, the scaffolding unit is naturally folded into a valley-fold shape, and by lowering the hoisted scaffolding unit, the right frame body 5 is lifted up. Since the body 4 and the left frame body 5 are in an open state, anyone can easily install and fix the folding scaffold unit without requiring any skill in assembling and installing the folding scaffold unit.

Furthermore, by lowering the scaffolding unit lifted by a crane or the like, the right frame 4 and left frame 5 are opened, and the lower ends of the middle frame 3, right frame 4, and left frame 5 are opened. Because the entire structure is supported at six locations, the scaffolding unit can be installed and fixed in an extremely short time without requiring any special assembly work.

Furthermore, when the upper ends of the right frame body 4 and the left frame body 5 are lifted up by a crane or the like, the scaffolding unit is naturally folded into a valley fold, so that the scaffolding unit can be moved in a compact state. As a result, even in narrow spaces with limited movement space, you can move without damaging adjacent buildings, etc.
Scaffolding units can be moved and fixed in place.

Furthermore, by gradually lowering the scaffolding unit hoisted by a crane or the like, the right frame 4 and left frame 5 are slowly opened, making it possible to proceed with the work extremely safely.

In addition, according to claim 3, if the lower end of the middle frame body 3 is fixed at a specific position, the positions of the right frame body 4 and the left frame body 5 are automatically determined, and the positions of the middle frame body 3 and the right frame body 5 are determined automatically. Body 4, left frame body 5
Since there is no need to guide all six locations on the lower end of the scaffolding unit to a specific location, the installation and fixing work of the scaffolding unit can be completed in an extremely short time.

In addition, in the present invention, a right frame body 4 and a left frame body 5 are arranged side by side on both sides of a rectangular inner frame body 3 containing a pair of building lots to form left and right scaffolding parts 1 and 2. Since the structure is extremely simple, it is suitable for mass production and has various industrially beneficial effects such as being able to provide products at low cost.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing a state of use.

FIG. 2 is a perspective view showing a folded state.

FIG. 3 is a side view showing the folded state.

FIG. 4 is a perspective view showing a stacked state of a plurality of scaffold units.

[Explanation of symbols]

1 Right scaffolding
2 Left scaffolding part 3 Middle frame body
4 Right frame body 5
left frame body
6 Horizontal member 7 Hinge
8 Hinge 9 Horizontal member 10
Hinge 11 Hinge
12 Reinforcement rod 13 Reinforcement rod
14 Floor plate 15 Floor plate
16 Bracing 17 Joint
18 Connecting pin 19
Fitting tube 2
0 Hanging piece 21 Hook

Claims (3)

[Claims] Claim 1: A rectangular middle frame body including a pair of building sites is formed, and a right frame body having substantially the same shape as the middle frame body is arranged side by side on one side of the middle frame body, and the middle frame body and the right frame body are arranged side by side. The right scaffold is connected to the body by a horizontal member swingably attached to the middle frame in a direction perpendicular to the middle frame. The left frame bodies are arranged side by side, and the middle frame body and the left frame body are connected by a horizontal member swingably attached in a direction perpendicular to the middle frame body to constitute the left scaffolding part, A folding scaffolding unit characterized in that the left and right scaffold parts are foldable in a valley-fold shape in which the right frame body and the left frame body sandwich the middle frame body from both left and right sides. 2. The folding scaffold according to claim 1, wherein joints are provided at the upper and lower ends of the middle frame body and the left and right frame bodies to connect the upper and lower ends of other foldable scaffolding units, so that a plurality of scaffolding units can be stacked. Tatami scaffolding unit. Claim 3: A rectangular middle frame body including a pair of building sites is formed, and a right frame body having substantially the same shape as the middle frame body is arranged side by side on one side of the middle frame body, and the middle frame body and the right frame body are arranged side by side. The right scaffold is connected to the body by a horizontal member swingably attached to the middle frame in a direction perpendicular to the middle frame. The left frame bodies are arranged side by side, and the middle frame body and the left frame body are connected by a horizontal member swingably attached in a direction perpendicular to the middle frame body to constitute the left scaffolding part, The left and right scaffolding parts form a foldable scaffolding unit in which the right frame body and the left frame body sandwich the middle frame body from both left and right sides and can be folded into a valley shape, and the upper ends of the right frame body and the left frame body are etc., fold the folding scaffolding unit into a valley-fold shape, and then move it in that state. When installing, gradually lower the lifted folding scaffolding unit, and first lower it to the specified position and then move it in that state. The lower end of the frame is fixed at a specific position, and then the suspended scaffolding unit is further lowered to open the right and left frames, and in this state, the right and left frames are opened. A method for assembling and installing a folding scaffolding unit characterized by fixing the lower end.